EP0044873A4 - Dispositif de mesure de la vitesse d'ecoulement d'air utilisant un debitmetre d'air du type a fil chaud. - Google Patents

Dispositif de mesure de la vitesse d'ecoulement d'air utilisant un debitmetre d'air du type a fil chaud.

Info

Publication number
EP0044873A4
EP0044873A4 EP19810900326 EP81900326A EP0044873A4 EP 0044873 A4 EP0044873 A4 EP 0044873A4 EP 19810900326 EP19810900326 EP 19810900326 EP 81900326 A EP81900326 A EP 81900326A EP 0044873 A4 EP0044873 A4 EP 0044873A4
Authority
EP
European Patent Office
Prior art keywords
hot
flow rate
wire type
air flow
flowmeter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19810900326
Other languages
German (de)
English (en)
Other versions
EP0044873A1 (fr
EP0044873B1 (fr
EP0044873B2 (fr
Inventor
Teruo Yamauchi
Yoshishige Ohyama
Hiroshi Kuroiwa
Mamoru Fujieda
Tadashi Kirisawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11775468&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0044873(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP0044873A1 publication Critical patent/EP0044873A1/fr
Publication of EP0044873A4 publication Critical patent/EP0044873A4/fr
Publication of EP0044873B1 publication Critical patent/EP0044873B1/fr
Application granted granted Critical
Publication of EP0044873B2 publication Critical patent/EP0044873B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/72—Devices for measuring pulsing fluid flows
EP81900326A 1980-01-31 1981-01-28 Dispositif de mesure de la vitesse d'ecoulement d'air utilisant un debitmetre d'air du type a fil chaud Expired - Lifetime EP0044873B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11346/80 1980-01-31
JP1134680A JPS56108909A (en) 1980-01-31 1980-01-31 Air flow rate detector

Publications (4)

Publication Number Publication Date
EP0044873A1 EP0044873A1 (fr) 1982-02-03
EP0044873A4 true EP0044873A4 (fr) 1984-09-19
EP0044873B1 EP0044873B1 (fr) 1986-09-24
EP0044873B2 EP0044873B2 (fr) 1993-05-05

Family

ID=11775468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81900326A Expired - Lifetime EP0044873B2 (fr) 1980-01-31 1981-01-28 Dispositif de mesure de la vitesse d'ecoulement d'air utilisant un debitmetre d'air du type a fil chaud

Country Status (4)

Country Link
US (1) US4404846A (fr)
EP (1) EP0044873B2 (fr)
JP (1) JPS56108909A (fr)
WO (1) WO1981002202A1 (fr)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933633A (en) * 1981-06-09 1990-06-12 Adec, Inc. Computer controlled energy monitoring system
JPS5826221A (ja) * 1981-08-10 1983-02-16 Hitachi Ltd 内燃機関の空気流量測定装置
DE3135794A1 (de) * 1981-09-10 1983-03-24 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur messung der masse eines in einem stroemungsquerschnitt stroemenden pulsierenden mediums
DE3135793A1 (de) * 1981-09-10 1983-03-24 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur messung der masse eines in einem stroemungsquerschnitt stroemenden pulsierenden mediums
JPS5861197A (ja) * 1981-10-09 1983-04-12 株式会社日本触媒 機械油用洗浄剤
JPS5896163A (ja) * 1981-12-02 1983-06-08 Hitachi Ltd 燃料制御装置
DE3203986A1 (de) * 1982-02-05 1983-08-18 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur messung des durchflusses eines mediums
DE3218931A1 (de) * 1982-05-19 1983-11-24 Bosch Gmbh Robert Verfahren zur messung der von einer brennkraftmaschine angesaugten pulsierenden luftmasse
DE3218930A1 (de) * 1982-05-19 1983-11-24 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur messung des durchflusses eines mediums
JPS595869A (ja) * 1982-07-02 1984-01-12 Hitachi Ltd 燃料噴射装置
DE3236586C2 (de) * 1982-10-02 1999-08-12 Bosch Gmbh Robert Kraftstoffzumeßsystem für eine Brennkraftmaschine
JPS59103930A (ja) * 1982-12-07 1984-06-15 Nippon Denso Co Ltd 内燃機関の制御方法
DE3304710A1 (de) * 1983-02-11 1984-08-16 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und einrichtung zum messen des luftdurchsatzes im ansaugrohr einer brennkraftmaschine
US4463601A (en) * 1983-05-23 1984-08-07 General Motors Corporation Method and apparatus for measuring mass airflow
JPS60150452A (ja) * 1984-01-19 1985-08-08 Mitsubishi Electric Corp 内燃機関の燃料制御装置
JPS60178952A (ja) * 1984-02-27 1985-09-12 Mitsubishi Electric Corp 内燃機関の燃料噴射制御装置
JPS611847A (ja) * 1984-06-13 1986-01-07 Nippon Denso Co Ltd 内燃機関の制御装置
EP0180130B1 (fr) * 1984-10-26 1989-01-18 Nippondenso Co., Ltd. Système de commande pour moteur ayant un passage d'air
JPH0670393B2 (ja) * 1985-08-20 1994-09-07 三菱電機株式会社 エンジンの燃料制御装置
JPH0670394B2 (ja) * 1985-08-20 1994-09-07 三菱電機株式会社 エンジンの燃料制御装置
JPH07122422B2 (ja) * 1986-05-02 1995-12-25 日本電装株式会社 燃料噴射装置
JPS62261645A (ja) * 1986-05-06 1987-11-13 Fuji Heavy Ind Ltd エンジン制御装置
FR2619892B1 (fr) * 1987-08-31 1991-08-16 Gaz De France Procede pour prevenir l'encrassement d'un dispositif detecteur d'anomalies et dispositif pour l'execution de ce procede
DE3885689T2 (de) * 1987-09-16 1994-03-24 Nippon Denso Co Hochdruckverstellpumpe.
USRE34315E (en) * 1988-06-22 1993-07-20 Remote mixture control tool
DE3841637C1 (fr) * 1988-12-10 1990-05-10 Gebr. Schmidt Fabrik Fuer Feinmechanik, 7742 St Georgen, De
US5000039A (en) * 1989-11-21 1991-03-19 Siemens-Bendix Automotive Electronics L.P. Mass air flow integrator
US5635635A (en) * 1993-11-18 1997-06-03 Unisia Jecs Corporation Method and apparatus for detecting the intake air quantity of an engine
JP3133608B2 (ja) * 1994-02-28 2001-02-13 株式会社ユニシアジェックス 熱式空気流量検出装置
EP0695928A3 (fr) * 1994-08-02 1996-11-27 Hitachi Ltd Appareil de mesure du débit d'air d'aspiration pour un moteur à combustion interne
DE19543236C2 (de) * 1994-11-18 2001-01-25 Hitachi Ltd Einlaßluftmengen-Meßvorrichtung für Verbrennungsmotoren
JP3141762B2 (ja) * 1995-12-13 2001-03-05 株式会社日立製作所 空気流量計測装置及び空気流量計測方法
JP3383761B2 (ja) * 1997-12-19 2003-03-04 株式会社日立製作所 発熱抵抗体式空気流量測定装置
JP3840379B2 (ja) * 2001-01-29 2006-11-01 株式会社日立製作所 内燃機関の吸気量計測装置
DE10147755B4 (de) * 2001-09-27 2004-06-17 Siemens Ag Verfahren und Vorrichtungen zur Header-Kompression in paketorientierten Netzwerken
DE10218117B4 (de) * 2002-04-23 2006-01-26 Siemens Ag Verfahren zur Ermittlung eines Luftmassenstroms
KR100610106B1 (ko) * 2004-08-11 2006-08-10 현대자동차주식회사 엔진 시스템의 연료 분사량 결정 방법
US7398681B2 (en) * 2005-09-22 2008-07-15 The Regents Of The University Of California Gas sensor based on dynamic thermal conductivity and molecular velocity

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49100891A (fr) * 1973-01-31 1974-09-24
JPS5228174B2 (fr) * 1974-05-13 1977-07-25
DE2750050C2 (de) * 1977-11-09 1983-12-08 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Luftmengenmessung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8102202A1 *

Also Published As

Publication number Publication date
JPS56108909A (en) 1981-08-28
EP0044873A1 (fr) 1982-02-03
EP0044873B1 (fr) 1986-09-24
EP0044873B2 (fr) 1993-05-05
WO1981002202A1 (fr) 1981-08-06
US4404846A (en) 1983-09-20
JPH0232564B2 (fr) 1990-07-20

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